@Test
public void testSnapshotOperations() throws Exception {
startNode("server1");
// get the environment, so we can clear the work dir when needed
Environment environment =
((InternalNode) node("server1")).injector().getInstance(Environment.class);
logger.info("Running Cluster Health (waiting for node to startup properly)");
ClusterHealthResponse clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForGreenStatus())
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.GREEN));
// Translog tests
logger.info("Creating index [{}]", "test");
client("server1").admin().indices().prepareCreate("test").execute().actionGet();
// create a mapping
PutMappingResponse putMappingResponse =
client("server1")
.admin()
.indices()
.preparePutMapping("test")
.setType("type1")
.setSource(mappingSource())
.execute()
.actionGet();
assertThat(putMappingResponse.acknowledged(), equalTo(true));
// verify that mapping is there
ClusterStateResponse clusterState =
client("server1").admin().cluster().state(clusterStateRequest()).actionGet();
assertThat(clusterState.state().metaData().index("test").mapping("type1"), notNullValue());
// create two and delete the first
logger.info("Indexing #1");
client("server1")
.index(Requests.indexRequest("test").type("type1").id("1").source(source("1", "test")))
.actionGet();
logger.info("Indexing #2");
client("server1")
.index(Requests.indexRequest("test").type("type1").id("2").source(source("2", "test")))
.actionGet();
// perform snapshot to the index
logger.info("Gateway Snapshot");
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Deleting #1");
client("server1").delete(deleteRequest("test").type("type1").id("1")).actionGet();
// perform snapshot to the index
logger.info("Gateway Snapshot");
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Gateway Snapshot (should be a no op)");
// do it again, it should be a no op
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Closing the server");
closeNode("server1");
logger.info(
"Starting the server, should recover from the gateway (only translog should be populated)");
startNode("server1");
logger.info("Running Cluster Health (wait for the shards to startup)");
clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(1))
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));
// verify that mapping is there
clusterState = client("server1").admin().cluster().state(clusterStateRequest()).actionGet();
assertThat(clusterState.state().metaData().index("test").mapping("type1"), notNullValue());
logger.info("Getting #1, should not exists");
GetResponse getResponse =
client("server1").get(getRequest("test").type("type1").id("1")).actionGet();
assertThat(getResponse.exists(), equalTo(false));
logger.info("Getting #2");
getResponse = client("server1").get(getRequest("test").type("type1").id("2")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("2", "test")));
// Now flush and add some data (so we have index recovery as well)
logger.info(
"Flushing, so we have actual content in the index files (#2 should be in the index)");
client("server1").admin().indices().flush(flushRequest("test")).actionGet();
logger.info("Indexing #3, so we have something in the translog as well");
client("server1")
.index(Requests.indexRequest("test").type("type1").id("3").source(source("3", "test")))
.actionGet();
logger.info("Gateway Snapshot");
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Gateway Snapshot (should be a no op)");
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Closing the server");
closeNode("server1");
logger.info(
"Starting the server, should recover from the gateway (both index and translog) and reuse work dir");
startNode("server1");
logger.info("Running Cluster Health (wait for the shards to startup)");
clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(1))
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));
logger.info("Getting #1, should not exists");
getResponse = client("server1").get(getRequest("test").type("type1").id("1")).actionGet();
assertThat(getResponse.exists(), equalTo(false));
logger.info("Getting #2 (not from the translog, but from the index)");
getResponse = client("server1").get(getRequest("test").type("type1").id("2")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("2", "test")));
logger.info("Getting #3 (from the translog)");
getResponse = client("server1").get(getRequest("test").type("type1").id("3")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("3", "test")));
logger.info("Closing the server");
closeNode("server1");
logger.info("Clearing cluster data dir, so there will be a full recovery from the gateway");
FileSystemUtils.deleteRecursively(environment.dataWithClusterFiles());
logger.info(
"Starting the server, should recover from the gateway (both index and translog) without reusing work dir");
startNode("server1");
logger.info("Running Cluster Health (wait for the shards to startup)");
clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(1))
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));
logger.info("Getting #1, should not exists");
getResponse = client("server1").get(getRequest("test").type("type1").id("1")).actionGet();
assertThat(getResponse.exists(), equalTo(false));
logger.info("Getting #2 (not from the translog, but from the index)");
getResponse = client("server1").get(getRequest("test").type("type1").id("2")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("2", "test")));
logger.info("Getting #3 (from the translog)");
getResponse = client("server1").get(getRequest("test").type("type1").id("3")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("3", "test")));
logger.info(
"Flushing, so we have actual content in the index files (#3 should be in the index now as well)");
client("server1").admin().indices().flush(flushRequest("test")).actionGet();
logger.info("Gateway Snapshot");
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Gateway Snapshot (should be a no op)");
client("server1").admin().indices().gatewaySnapshot(gatewaySnapshotRequest("test")).actionGet();
logger.info("Closing the server");
closeNode("server1");
logger.info(
"Starting the server, should recover from the gateway (just from the index, nothing in the translog)");
startNode("server1");
logger.info("Running Cluster Health (wait for the shards to startup)");
clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(1))
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));
logger.info("Getting #1, should not exists");
getResponse = client("server1").get(getRequest("test").type("type1").id("1")).actionGet();
assertThat(getResponse.exists(), equalTo(false));
logger.info("Getting #2 (not from the translog, but from the index)");
getResponse = client("server1").get(getRequest("test").type("type1").id("2")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("2", "test")));
logger.info("Getting #3 (not from the translog, but from the index)");
getResponse = client("server1").get(getRequest("test").type("type1").id("3")).actionGet();
assertThat(getResponse.sourceAsString(), equalTo(source("3", "test")));
logger.info("Deleting the index");
client("server1").admin().indices().delete(deleteIndexRequest("test")).actionGet();
}
private void testLoad(boolean fullRecovery) {
startNode("server1");
logger.info("Running Cluster Health (waiting for node to startup properly)");
ClusterHealthResponse clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForGreenStatus())
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.GREEN));
// get the environment, so we can clear the work dir when needed
Environment environment =
((InternalNode) node("server1")).injector().getInstance(Environment.class);
logger.info("--> creating test index ...");
client("server1").admin().indices().prepareCreate("test").execute().actionGet();
logger.info("Running Cluster Health (wait for the shards to startup)");
clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(1))
.actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));
logger.info("--> refreshing and checking count");
client("server1").admin().indices().prepareRefresh().execute().actionGet();
assertThat(
client("server1").prepareCount().setQuery(matchAllQuery()).execute().actionGet().count(),
equalTo(0l));
logger.info("--> indexing 1234 docs");
for (long i = 0; i < 1234; i++) {
client("server1")
.prepareIndex("test", "type1", Long.toString(i))
.setCreate(
true) // make sure we use create, so if we recover wrongly, we will get increments...
.setSource(MapBuilder.<String, Object>newMapBuilder().put("test", "value" + i).map())
.execute()
.actionGet();
// snapshot every 100 so we get some actions going on in the gateway
if ((i % 11) == 0) {
client("server1").admin().indices().prepareGatewaySnapshot().execute().actionGet();
}
// flush every once is a while, so we get different data
if ((i % 55) == 0) {
client("server1").admin().indices().prepareFlush().execute().actionGet();
}
}
logger.info("--> refreshing and checking count");
client("server1").admin().indices().prepareRefresh().execute().actionGet();
assertThat(
client("server1").prepareCount().setQuery(matchAllQuery()).execute().actionGet().count(),
equalTo(1234l));
logger.info("--> closing the server");
closeNode("server1");
if (fullRecovery) {
logger.info("Clearing cluster data dir, so there will be a full recovery from the gateway");
FileSystemUtils.deleteRecursively(environment.dataWithClusterFiles());
logger.info(
"Starting the server, should recover from the gateway (both index and translog) without reusing work dir");
}
startNode("server1");
logger.info("--> running Cluster Health (wait for the shards to startup)");
clusterHealth =
client("server1")
.admin()
.cluster()
.health(clusterHealthRequest().waitForYellowStatus().waitForActiveShards(1))
.actionGet();
logger.info("--> done Cluster Health, status " + clusterHealth.status());
assertThat(clusterHealth.timedOut(), equalTo(false));
assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));
logger.info("--> checking count");
assertThat(
client("server1").prepareCount().setQuery(matchAllQuery()).execute().actionGet().count(),
equalTo(1234l));
logger.info("--> checking reuse / recovery status");
IndicesStatusResponse statusResponse =
client("server1").admin().indices().prepareStatus().setRecovery(true).execute().actionGet();
for (IndexShardStatus indexShardStatus : statusResponse.index("test")) {
for (ShardStatus shardStatus : indexShardStatus) {
if (shardStatus.shardRouting().primary()) {
if (fullRecovery || !isPersistentStorage()) {
assertThat(shardStatus.gatewayRecoveryStatus().reusedIndexSize().bytes(), equalTo(0l));
} else {
assertThat(
shardStatus.gatewayRecoveryStatus().reusedIndexSize().bytes(),
greaterThan(
shardStatus.gatewayRecoveryStatus().indexSize().bytes()
- 8196 /* segments file and others */));
}
}
}
}
}